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    Semiconductor parts containing 521 in root number. Page 2.
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Cypress Semiconductor
PartDescription
CY7C1521V18-278BZXC72-Mbit DDR-II SRAM 4-Word Burst Architecture
CY7C1521V18-278BZXI72-Mbit DDR-II SRAM 4-Word Burst Architecture
CY7C1521V18-300BZC 72-Mbit DDR-II SRAM 4-Word Burst Architecture
CY7C1521V18-300BZI72-Mbit DDR-II SRAM 4-Word Burst Architecture
CY7C1521V18-300BZXC72-Mbit DDR-II SRAM 4-Word Burst Architecture

DADD
PartDescription
3D3521Monolithic LVCMOS Manchester encoder
3D3521DMonolithic LVCMOS Manchester encoder
3D3521GMonolithic LVCMOS Manchester encoder
3D3521HMonolithic LVCMOS Manchester encoder
3D3521MMonolithic LVCMOS Manchester encoder
3D3521ZMonolithic LVCMOS Manchester encoder
3D7521Monolithic Manchester encoder
3D7521DMonolithic Manchester encoder
3D7521GMonolithic Manchester encoder
3D7521HMonolithic Manchester encoder
3D7521MMonolithic Manchester encoder
3D7521ZMonolithic Manchester encoder

DAICO
PartDescription
100C152150-1300MHz PIN diode linear VCA
DPS52181 Phase Shifter 5 Section
DSW52179Switch SP5T

DDC
PartDescription
DDC5210-1Analog-to-Digital Converter
DDC5210-3Analog-to-Digital Converter
DDC5211-1Analog-to-Digital Converter
DDC5211-3Analog-to-Digital Converter
DDC5212-1Analog-to-Digital Converter
DDC5212-3Analog-to-Digital Converter
DDC5216-1Analog-to-Digital Converter
DDC5216-3Analog-to-Digital Converter
SDC14521-103Synchro-to-Digital Converter
SDC14521-104Synchro-to-Digital Converter
SDC14521-105Synchro-to-Digital Converter
SDC14521-113Synchro-to-Digital Converter
SDC14521-114Synchro-to-Digital Converter
SDC14521-115Synchro-to-Digital Converter
SDC14521-123Synchro-to-Digital Converter
SDC14521-124Synchro-to-Digital Converter
SDC14521-125Synchro-to-Digital Converter
SDC14521-303Synchro-to-Digital Converter
SDC14521-304Synchro-to-Digital Converter
SDC14521-305Synchro-to-Digital Converter
THA05210-100Sample-and-Hold Amplifier
THA05210-110Sample-and-Hold Amplifier
THA05210-120Sample-and-Hold Amplifier
THA05210-300Sample-and-Hold Amplifier

DESC
PartDescription
1N5521B1+JAN4.3V, 400mWt General purpose voltage reference/regulator diode
1N5521B1+JANTX4.3V, 400mWt General purpose voltage reference/regulator diode
1N5521B1+JANTXV4.3V, 400mWt General purpose voltage reference/regulator diode
1N5521B+JAN4.3V, 400mWt General purpose voltage reference/regulator diode
1N5521B+JANTX4.3V, 400mWt General purpose voltage reference/regulator diode
1N5521B+JANTXV4.3V, 400mWt General purpose voltage reference/regulator diode
1N6521+JAN500mA Iout, 2.0kV Vrrm Fast Recovery Rectifier
1N6521+JANTX500mA Iout, 2.0kV Vrrm Fast Recovery Rectifier
1N6521+JANTXV500mA Iout, 2.0kV Vrrm Fast Recovery Rectifier
5962-8687521UXMulti-Port Static RAM
5962-8687521XXMulti-Port Static RAM
5962-8687521YXMulti-Port Static RAM
5962-8752101VXDigital Encoder
5962-8855210UXGeneral Purpose Static RAM
5962-8855210YXGeneral Purpose Static RAM
5962-8855211UXGeneral Purpose Static RAM
5962-8855211YXGeneral Purpose Static RAM
5962-8855212UXGeneral Purpose Static RAM
5962-8855212YXGeneral Purpose Static RAM
5962-89521012XPower Supply Circuit
5962-8952101XXPower Supply Circuit
5962-8952101YXPower Supply Circuit
5962-8952101ZXPower Supply Circuit
5962-9052101XXMiscellaneous Analog Circuit
5962-9152101M3XData Acquisition System
5962-9152101MXXData Acquisition System

DGTRN
PartDescription
2N1521Transistors, Bipolar, Ge PNP Power
2N521Transistors, Bipolar, Ge PNP Low-Power
2N521ATransistors, Bipolar, Ge PNP Low-Power

DIALT
PartDescription
521-9165General purpose red dome-style LED
521-9166General purpose red dome-style LED
521-9173General purpose green dome-style LED
521-9174General purpose yellow dome-style LED
521-9175General purpose green dome-style LED
521-9176General purpose yellow dome-style LED
521-9177General purpose red/green color dome-style LED
521-9178General purpose red/green color dome-style LED
521-9180General purpose red dome-style LED
521-9181General purpose red dome-style LED
521-9183General purpose red dome-style LED
521-9184General purpose red dome-style LED
521-9185LED Lamps, Surface Mount/Axial
521-9186LED Lamps, Surface Mount/Axial
521-9195LED Lamps, Surface Mount/Axial
521-9200General purpose red dome-style LED
521-9201General purpose green dome-style LED
521-9208General purpose yellow dome-style LED
521-9210General purpose green dome-style LED
521-9211General purpose yellow dome-style LED
521-9212General purpose red dome-style LED
521-9215Red current-limited dome-style LED lamp
521-9216General purpose red dome-style LED
521-9222General purpose red dome-style LED
521-9223General purpose red dome-style LED
521-9240General purpose red dome-style LED
521-9246General purpose red dome-style LED
521-9247General purpose red dome-style LED
521-9248General purpose yellow dome-style LED
521-9249General purpose yellow dome-style LED
521-9250General purpose green dome-style LED
521-9251General purpose green dome-style LED
521-92642.5mm x 7mm Discrete LED Rectangular Tinted
521-92845mm LED CBI Circuit Board Indicator Bi-level
521-9294General purpose 3-color dome-style LED
521-9320General purpose red dome-style LED
521-9321General purpose yellow dome-style LED
521-93223mm LED CBI Circuit Board Indicator Tri-Level
521-9323 3mm LED CBI Circuit Board Indicator 120 High LED Centerline
521-9324LED CBI Circuit Board Indicator Bi-level
521-93253mm Discrete LED Low Current Diffused
521-93263mm LED CBI Circuit Board Indicator 120 High LED Centerline
521-9327 5mm LED CBI Circuit Board Indicator Sloped Back Housing, Quad Block
521-93322mm x 5mm Rectangular LED CBI Circuit Board Indicator
521-9354General purpose 3-color dome-style LED
521-9406 2mm x 5mm Rectangular LED CBI Circuit Board Indicator
521-9408 3mm LED CBI Circuit Board Indicator Quad, .200??? High LED Centerline
521-94273mm LED CBI Circuit Board Indicator Quad, .200??? High LED Centerline
521-9428LED CBI Circuit Board Indicator Bi-level
521-9430LED CBI Circuit Board Indicator Bi-level
521-9431 3mm LED CBI Circuit Board Indicator Bi-level
521-9432LED CBI Circuit Board Indicator Bi-level
521-94505mm Discrete LED 3 Leaded, Non-Tinted, Diffused
521-9452 2mm x 5mm Rectangular LED CBI Circuit Board Indicator
521-94593mm LED CBI Circuit Board Indicator 120 High LED Centerline
521-94615mm Discrete LED 3 Leaded, Non-Tinted, Diffused
521-94645mm LED CBI Circuit Board Indicator Bi-level
521-94655mm LED CBI Circuit Board Indicator Bi-level
521-94665mm LED CBI Circuit Board Indicator 250 LED Centerline
521-94783mm LED CBI Circuit Board Indicator 200 High LED Centerline
521-94983mm Discrete LED High Efficiency Diffused
521-94992mm x 5mm Rectangular LED CBI Circuit Board Indicator
521-9500-001General purpose red dome-style LED
521-9500-002General purpose red dome-style LED
521-9500-003General purpose red dome-style LED
521-9501-001General purpose red dome-style LED
521-9501-002General purpose red dome-style LED
521-9502-001General purpose red dome-style LED
521-9503-001General purpose green dome-style LED
521-9503-002General purpose green dome-style LED
521-9504-001General purpose green dome-style LED
521-9504-002General purpose green dome-style LED
521-9505-001General purpose yellow dome-style LED
521-9505-002General purpose yellow dome-style LED
521-9506-001General purpose yellow dome-style LED
521-9506-002General purpose yellow dome-style LED
521-9507-001General purpose red dome-style LED
521-9508-002General purpose red dome-style LED
521-9508-003General purpose red dome-style LED
521-9509-001General purpose green dome-style LED
521-9509-002General purpose green dome-style LED
521-9510-001General purpose yellow dome-style LED
521-9510-002General purpose yellow dome-style LED
521-9511-001LED Lamps, Special Shape
521-9512-001LED Lamps, Special Shape
521-9513-001LED Lamps, Special Shape
521-9514-001LED Lamps, Special Shape
521-9515-001LED Lamps, Special Shape
521-9516-001LED Lamps, Special Shape
521-9517-001LED Lamps, Special Shape
521-9518-001LED Lamps, Special Shape
521-9519-001LED Lamps, Special Shape
521-9520-001LED Lamps, Special Shape
521-9521-001LED Lamps, Special Shape
521-9522-001LED Lamps, Special Shape
521-9531-002General purpose red dome-style LED
521-9628LED CBI Circuit Board Indicator Bi-level
521-96302mm LED CBI Circuit Board Indicator (DIN 41494 Compatible), Tri-Level
521-96312mm LED CBI Circuit Board Indicator (DIN 41494 Compatible), Tri-Level
521-96322mm LED CBI Circuit Board Indicator (DIN 41494 Compatible), Bi-Level
521-96363mm Discrete LED High Efficiency Diffused
521-96402mm x 4mm Discrete LED Rectangular - Bi-Color Non-Tinted, Diffusedor
521-96515mm LED CBI Circuit Board Indicator Bi-level
521-97045mm LED CBI Circuit Board Indicator 250 LED Centerline
521-97245mm LED CBI Circuit Board Indicator Bi-level
521-9743 2mm x 4mm Discrete LED Rectangular - Bi-Color Non-Tinted, Diffusedor
521-97683mm LED CBI Circuit Board Indicator 200 High LED Centerline
521-98313mm LED CBI Circuit Board Indicator 120 High LED Centerline

DTRON
PartDescription
DL6521Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-10Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-12Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-14Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-16Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-18Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-20Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-2Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-25Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-30Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-3Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-35Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-40Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-4Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-45Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-50Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-5Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-6Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-7Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-8Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
EL521-9Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.

DYNEX
PartDescription
DF252101000V fast recovery diode
DF252121200V fast recovery diode
DF252141400V fast recovery diode
DF252161600V fast recovery diode
DF452101000V fast recovery diode
DF452121200V fast recovery diode
DF452141400V fast recovery diode
DF452161600V fast recovery diode

EASTR
PartDescription
1N55214.3V, 400mWt General purpose voltage reference/regulator diode
1N5521A4.3V, 400mWt General purpose voltage reference/regulator diode
1N5521B4.3V, 400mWt General purpose voltage reference/regulator diode
1N5521C4.3V, 400mWt General purpose voltage reference/regulator diode

Philips ECG Inc.
PartDescription
ECG5210A51.0V, 10Wt General purpose voltage reference/regulator diode
ECG5211A52.0V, 10Wt General purpose voltage reference/regulator diode
ECG5212A56.0V, 10Wt General purpose voltage reference/regulator diode
ECG5213A60.0V, 10Wt General purpose voltage reference/regulator diode
ECG5214A62.0V, 10Wt General purpose voltage reference/regulator diode
ECG5215A68.0V, 10Wt General purpose voltage reference/regulator diode
ECG5216A75.0V, 10Wt General purpose voltage reference/regulator diode
ECG5217A82.0V, 10Wt General purpose voltage reference/regulator diode
ECG5218A87.0V, 10Wt General purpose voltage reference/regulator diode
ECG5219A91.0V, 10Wt General purpose voltage reference/regulator diode
ECG552150V V[drm] Max., 16A I[T] Max. Silicon Controlled Rectifier

EIC
PartDescription
STBS521SURFACE MOUNT BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSOR
STUS521Working peak reverse voltage: 18 V, 1 mA, 500 W surface mount transient voltage suppressor

ELANT
PartDescription
EL5210C30MHz Rail-to-Rail Input-Output Op Amps
EL5210CS30 MHz rail-to-rail input-output Op Amp
EL5210CS-T1330 MHz rail-to-rail input-output Op Amp
EL5210CY30 MHz rail-to-rail input-output Op Amp
EL5210CY-T1330 MHz rail-to-rail input-output Op Amp
EL5210CY-T730 MHz rail-to-rail input-output Op Amp

ELPID
PartDescription
HM5212165FLTD-75128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword ?? 16-bit ?? 4-bank/4-Mword ?? 8-bit ?? 4-bank PC/133, PC/100 SDRAM
HM5212165FTD-75 128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword ?? 16-bit ?? 4-bank/4-Mword ?? 8-bit ?? 4-bank PC/133, PC/100 SDRAM
HM5212165FTD-A60 128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword ?? 16-bit ?? 4-bank/4-Mword ?? 8-bit ?? 4-bank PC/133, PC/100 SDRAM
HM5212165FTD-B60128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword ?? 16-bit ?? 4-bank/4-Mword ?? 8-bit ?? 4-bank PC/133, PC/100 SDRAM
HM5212805FLTD-75 128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword ?? 16-bit ?? 4-bank/4-Mword ?? 8-bit ?? 4-bank PC/133, PC/100 SDRAM
HM5212805FLTD-A60128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword ?? 16-bit ?? 4-bank/4-Mword ?? 8-bit ?? 4-bank PC/133, PC/100 SDRAM
HM5212805FLTD-B60 128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword ?? 16-bit ?? 4-bank/4-Mword ?? 8-bit ?? 4-bank PC/133, PC/100 SDRAM
HM5212805FTD-75128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword ?? 16-bit ?? 4-bank/4-Mword ?? 8-bit ?? 4-bank PC/133, PC/100 SDRAM
HM5212805FTD-A60128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword ?? 16-bit ?? 4-bank/4-Mword ?? 8-bit ?? 4-bank PC/133, PC/100 SDRAM
HM521616516M LVTTL INTERFACE SDRAM (512-kword x 16-bit x 2-bank)
HM5216165TT-10H16 M LVTTL interface SDRAM (512-kword ? 16-bit ? 2-bank), 100MHz
HM5216165TT-1216 M LVTTL interface SDRAM (512-kword ? 16-bit ? 2-bank), 83MHz

EPCOS
PartDescription
B25667A5217A175Capacitors for Power Factor Correction
B25667-A5217-A175Capacitors for Power Factor Correction
B25667B5217A175Power Factor Correction
B32521 Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521C0105 Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521C0155Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521C0225 Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521C0335Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521C0474 Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521C0684Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521-C105Metallized Polyester Film Capacitors (MKT and MFT)
B32521-C1104Metallized Polyester Film Capacitors (MKT and MFT)
B32521-C1105 Metallized Polyester Film Capacitors (MKT and MFT)
B32521C1154 Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521C1224Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521-C1224Metallized Polyester Film Capacitors (MKT and MFT)
B32521-C1474Metallized Polyester Film Capacitors (MKT and MFT)
B32521C1474Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521C1684Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521-C1684 Metallized Polyester Film Capacitors (MKT and MFT)
B32521-C225 Metallized Polyester Film Capacitors (MKT and MFT)
B32521C3104 Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521C3154Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521C3224 Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521-C3333Metallized Polyester Film Capacitors (MKT and MFT)
B32521C3333Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521-C3334Metallized Polyester Film Capacitors (MKT and MFT)
B32521-C335Metallized Polyester Film Capacitors (MKT and MFT)
B32521C3473Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521-C3473 Metallized Polyester Film Capacitors (MKT and MFT)
B32521C3474Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521C3683 Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521-C6103 Metallized Polyester Film Capacitors (MKT and MFT)
B32521-C6104Metallized Polyester Film Capacitors (MKT and MFT)
B32521-C6153 Metallized Polyester Film Capacitors (MKT and MFT)
B32521-C6154Metallized Polyester Film Capacitors (MKT and MFT)
B32521-C6333Metallized Polyester Film Capacitors (MKT and MFT)
B32521-C6473 Metallized Polyester Film Capacitors (MKT and MFT)
B32521-C6683 Metallized Polyester Film Capacitors (MKT and MFT)
B32521-C684 Metallized Polyester Film Capacitors (MKT and MFT)
B32521E6104 Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521E6153 Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521E6154 Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521E6333 Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521E6473 Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521E6683 Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521N8103Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521-N8103 Metallized Polyester Film Capacitors (MKT and MFT)
B32521N8223Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521N8333Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521-N8333Metallized Polyester Film Capacitors (MKT and MFT)
B32521N8682Film Capacitors Metallized Polyester Film Capacitors (MKT)
B32521-N8682 Metallized Polyester Film Capacitors (MKT and MFT)
B3521Low Loss Filter
B39121B5213H310SAW IF filter TD-SCDMA
B39141B5210Z510SAW IF filter Radiolink
B39141B5211Z510 SAW IF filter RadioLink
B39162B3521U410SAW Components
B39162-B3521-U410Low Loss Filter
B39361B5215H810 SAW IF filter LTE
B43521Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A0108M000Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A0108M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A0158M000Aluminum electrolytic capacitors
B43521A0158M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A0477M000Aluminum electrolytic capacitors
B43521A0477M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A0567M000 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A0567M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A0687M000Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A0687M007 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A0827M000Aluminum electrolytic capacitors
B43521A0827M007 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A4108M000 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A4108M087Aluminum electrolytic capacitors
B43521A4158M000Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A4158M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A4158M087 Aluminum electrolytic capacitors
B43521A4567M000Aluminum electrolytic capacitors
B43521A4567M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A4567M087 Aluminum electrolytic capacitors
B43521A4687M000 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A4687M007 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A4687M087 Aluminum electrolytic capacitors
B43521A4827M000Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A4827M007 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A4827M087 Aluminum electrolytic capacitors
B43521A5108M000 Aluminum electrolytic capacitors
B43521A5108M007 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A5397M000Aluminum electrolytic capacitors
B43521A5397M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A5477M000 Aluminum electrolytic capacitors
B43521A5477M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A5567M000Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A5687M000 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A5687M007 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A5827M000 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A5827M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A9108M007 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A9158M000Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A9158M007 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A9158M087 Aluminum electrolytic capacitors
B43521A9477M000 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A9477M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A9477M087 Aluminum electrolytic capacitors
B43521A9567M000Aluminum electrolytic capacitors
B43521A9567M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A9567M087 Aluminum electrolytic capacitors
B43521A9687M000Aluminum electrolytic capacitors
B43521A9687M007 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A9687M087 Aluminum electrolytic capacitors
B43521A9827M000 Aluminum electrolytic capacitors
B43521A9827M007 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521A9827M087Aluminum electrolytic capacitors
B43521C0108M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C0477M000 Aluminum electrolytic capacitors
B43521C0477M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C0477M087Aluminum electrolytic capacitors
B43521C0567M000Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C0687M000Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C0687M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C0827M000Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C0827M007 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C4108M000Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C4108M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C4108M087 Aluminum electrolytic capacitors
B43521C4687M000Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C4687M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C4827M000Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C4827M007 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C4827M087 Aluminum electrolytic capacitors
B43521C5397M000Aluminum electrolytic capacitors
B43521C5397M007 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C5477M000Aluminum electrolytic capacitors
B43521C5567M000Aluminum electrolytic capacitors
B43521C5567M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C5687M000 Aluminum electrolytic capacitors
B43521C9108M000Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C9108M007 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C9477M000Aluminum electrolytic capacitors
B43521C9477M007 Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C9687M000 Aluminum electrolytic capacitors
B43521C9687M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C9827M000Aluminum electrolytic capacitors
B43521C9827M007Capacitors with 4 Snap-In Terminals and Solder Pins
B43521C9827M087 Aluminum electrolytic capacitors
B5210SAW IF filter Radiolink
B5211 SAW IF filter RadioLink
B5217 SAW IF filter Clean up filter
B88069X4521B502Surge arrester 3-electrode arrester

EVRLT
PartDescription
PD1521Chigh speed and high sensitve PIN photodiode in miniature SMD which is molder in a water clear with flat top view lens.

Fairchild Semiconductor
PartDescription
2N5210 NPN General Purpose Amplifier
2N5210BUNPN General Purpose Amplifier
2N5210_D81ZNPN General Purpose Amplifier
2N5210_J05ZNPN General Purpose Amplifier
2N5210NMBUNPN General Purpose Amplifier
2N5210TANPN General Purpose Amplifier
2N5210TARNPN General Purpose Amplifier
2N5210TFNPN General Purpose Amplifier
2N5210TFRNPN General Purpose Amplifier
4521BDCCounter
4521BDCQMCounter
4521BDCQRCounter
4521BDMCounter
4521BDMQBCounter
4521BFCCounter
4521BFCQMCounter
4521BFCQRCounter
4521BFMCounter
4521BFMQBCounter
4521BPCCounter
4521BPCQMCounter
4521BPCQRCounter
54AC521DMDigital Comparator
54AC521DMQBDigital Comparator
54AC521FMDigital Comparator
54AC521FMQBDigital Comparator
54AC521LMDigital Comparator
54AC521LMQBDigital Comparator
54ACT521DMDigital Comparator
54ACT521DMQBDigital Comparator
54ACT521FMDigital Comparator
54ACT521FMQBDigital Comparator
54ACT521LMDigital Comparator
54ACT521LMQBDigital Comparator
54F521FMDigital Comparator
54F521FMQBDigital Comparator
54F521L1MQBDigital Comparator
74AC5218-Bit Identity Comparator
74AC521CW 8-Bit Identity Comparator
74AC521DCDigital Comparator
74AC521DCQRDigital Comparator
74AC521MTC 8-Bit Identity Comparator
74AC521MTCX 8-Bit Identity Comparator
74AC521MTCX_NL8-Bit Identity Comparator
74AC521PC 8-Bit Identity Comparator
74AC521PC_NL8-Bit Identity Comparator
74AC521PCQRDigital Comparator
74AC521SC 8-Bit Identity Comparator
74AC521SCQRDigital Comparator
74AC521SCX 8-Bit Identity Comparator
74AC521SCX_NL8-Bit Identity Comparator
74AC521SJ 8-Bit Identity Comparator
74AC521SJX 8-Bit Identity Comparator
74ACT5218-Bit Identity Comparator
74ACT521CW 8-Bit Identity Comparator
74ACT521DCDigital Comparator
74ACT521DCQRDigital Comparator
74ACT521MTC 8-Bit Identity Comparator
74ACT521MTCX 8-Bit Identity Comparator
74ACT521PC 8-Bit Identity Comparator
74ACT521PCQRDigital Comparator
74ACT521SC 8-Bit Identity Comparator
74ACT521SCQRDigital Comparator
74ACT521SCX 8-Bit Identity Comparator
74ACT521SCX_NL8-Bit Identity Comparator
74ACT521SJ 8-Bit Identity Comparator
74ACT521SJX 8-Bit Identity Comparator
74F5218-Bit Identity Comparator
74F521CW 8-Bit Identity Comparator
74F521DCDigital Comparator
74F521DCQMDigital Comparator
74F521DCQRDigital Comparator
74F521MSA 8-Bit Identity Comparator
74F521MSAX 8-Bit Identity Comparator
74F521PC 8-Bit Identity Comparator
74F521PCQMDigital Comparator
74F521PCQRDigital Comparator
74F521SC 8-Bit Identity Comparator
74F521SCX 8-Bit Identity Comparator
74F521SCX_NL8-Bit Identity Comparator
74F521SJ 8-Bit Identity Comparator
74F521SJX 8-Bit Identity Comparator
DM74ALS5218-Bit Comparator
DM74ALS521N 8-Bit Comparator
DM74ALS521WM 8-Bit Comparator
DM74ALS521WMX 8-Bit Comparator
F10521DMLogic Gate
F10521FMLogic Gate
FDR8521L P-Channel MOSFET With Gate Driver For Load Switch Application
FDR8521L_NLP-Channel MOSFET With Gate Driver For Load Switch Application
FDW2521C_08Complementary PowerTrench MOSFET
FDW2521CComplementary PowerTrench MOSFET
FDW2521C_NLComplementary PowerTrench MOSFET
FTSO6521NPN small signal general purpose amplifier.
FTSO6521NPN small signal general purpose amplifier.
IRF521N-channel power MOSFET, 11 A, 60V.
KSP6521Amplifier Transistor
KSP6521BUNPN Epitaxial Silicon Transistor
KSP6521NBUNPN Epitaxial Silicon Transistor
MCT52103006-Pin DIP Low Current Input Phototransistor Output Optocoupler
MCT5210300W6-Pin DIP Low Current Input Phototransistor Output Optocoupler
MCT52103S6-Pin DIP Low Current Input Phototransistor Output Optocoupler
MCT52103SD6-Pin DIP Low Current Input Phototransistor Output Optocoupler
MCT5210HIGH-PERFORMANCE AlGaAs PHOTOTRANSISTOR OPTOCUPLERS
MCT5210MLow Input Current Phototransistor Optocouplers
MCT5210S6-Pin DIP Low Current Input Phototransistor Output Optocoupler
MCT5210SD6-Pin DIP Low Current Input Phototransistor Output Optocoupler
MCT5210W6-Pin DIP Low Current Input Phototransistor Output Optocoupler
MCT52113006-Pin DIP Low Current Input Phototransistor Output Optocoupler
MCT5211300W6-Pin DIP Low Current Input Phototransistor Output Optocoupler
MCT52113S6-Pin DIP Low Current Input Phototransistor Output Optocoupler
MCT52113SD6-Pin DIP Low Current Input Phototransistor Output Optocoupler
MCT5211HIGH-PERFORMANCE AlGaAs PHOTOTRANSISTOR OPTOCUPLERS
MCT5211M Low Input Current Phototransistor Optocouplers
MCT5211S6-Pin DIP Low Current Input Phototransistor Output Optocoupler
MCT5211SD6-Pin DIP Low Current Input Phototransistor Output Optocoupler
MCT5211W6-Pin DIP Low Current Input Phototransistor Output Optocoupler
MM74HC521N 8-Bit Magnitude Comparator (Equality Detector)
MM74HC521WM
MM74HC688WM		 8-Bit Magnitude Comparator (Equality Detector)
MM74HC688N
MM74HC521N		 8-Bit Magnitude Comparator (Equality Detector)
MMBT5210NPN General Purpose Amplifier
MMBT5210_NLNPN General Purpose Amplifer
MPS6521NPN small signal general purpose amplifier.
MPS6521_D26ZNPN Low Level Amplifier
MV52123 SOLID STATE LED LAMP RECTANGULAR 2 X 5 mm LED LAMPS
MV64521CLEAR LENS T-1 3/4 SOLID STATE LAMPS
NDH8521C Dual N & P-Channel Enhancement Mode Field Effect Transistor [Not recommended for new designs]
RB521S30_08 Schottky Barrier Diodes
RB521S30Schottky Barrier Diodes
SG6521PC Power Supply Supervisors
SM74ALS521N8-Bit Comparator
TDA2521PAL TV CHROMA DEMODULATOR COMBINATION
TDA2521QMTV/Video Circuits
TDA2521QRTV/Video Circuits

FEMA
PartDescription
LA2521-24LED Display
LA5211-11LED Display
LA5211-14LED Display
LA5212-11LED Display
LC2521-24LED Display
LC5211-11LED Display
LC5211-14LED Display
LC5212-11LED Display
LJ3521-11LED Display
LJ3521-21LED Display
LT2521LED Lamps, Special Shape
LT4521LED Lamps, Special Shape
LT5211LED Lamps, Special Shape
LT521General purpose green dome-style LED
LT5211GLED Lamps, Special Shape
LT5212LED Lamps, Special Shape
LT5212GLED Lamps, Special Shape
LT6521LED Lamps, Special Shape
LT8521LED Lamps, Special Shape
LT9521LED Lamps, Special Shape

Fujitsu Microelectronics
PartDescription
MB85210-12ZCGeneral Purpose Dynamic RAM
MB85210-15ZCGeneral Purpose Dynamic RAM
MB85213-12ZCGeneral Purpose Dynamic RAM
MB85213-15ZCGeneral Purpose Dynamic RAM
MB85214-12ZCGeneral Purpose Dynamic RAM
MB85214-15ZCGeneral Purpose Dynamic RAM
MB86521PMotion Control Circuit
MB86521PFMotion Control Circuit
MB88521PFMicrocontroller
MB88521PSHMicrocontroller

Freescale Semiconductor
PartDescription
MCF52110 ColdFire Microcontroller
MCF5211 ColdFire Microcontroller
MCF5211CAE66ColdFire Microcontroller
MCF5211CEP66 MCF5213 ColdFire Microcontroller
MCF5211LCEP66ColdFire Microcontroller
MCF5211LCVM66MCF5213 ColdFire Microcontroller
MCF5211LCVM80 MCF5213 ColdFire Microcontroller
MCF5212ColdFire Microcontroller
MCF5212CAE66 ColdFire Microcontroller
MCF5212LCVM66 MCF5213 ColdFire Microcontroller
MCF5212LCVM80MCF5213 ColdFire Microcontroller
MCF5213_07 ColdFire Microcontroller
MCF5213_10 MCF5213 ColdFire Microcontroller
MCF5213MCF5213 ColdFire Microcontroller
MCF5213CAF66ColdFire Microcontroller
MCF5213CAF80ColdFire Microcontroller
MCF5213LCVM66ColdFire Microcontroller
MCF5213LCVM80 ColdFire Microcontroller
MCF5214CodeWarrior Development Studio for ColdFire?? Architectures
MMA5212KW PSI5 Inertial Sensor
MMA5212KWR2 PSI5 Inertial Sensor

Fuji Electric Co.
PartDescription
2SK2521-01N-channel MOSFET
2SK3521-01LN-channel power MOSFET, 500V, 8A
2SK3521-01MRN-channel power MOSFET, 600V, 6A
2SK3521-01SN-channel power MOSFET, 500V, 8A
2SK3521-01SJN-channel power MOSFET, 500V, 8A
2SK3521N-CHANNEL SILICON POWER MOSFET

FYARD
PartDescription
FYS-5211A-3LED DIGIT DISPLAY
FYS-5211ABX-XXLED DIGIT DISPLAY
FYS-5211AX-1 LED DIGIT DISPLAY
FYS-5211AX-2 LED DIGIT DISPLAY
FYS-5211AX LED DIGIT DISPLAY
FYS-5211AX-3LED DIGIT DISPLAY
FYS-5211AX-4LED DIGIT DISPLAY
FYS-5211B-0 LED DIGIT DISPLAY
FYS-5211B-1LED DIGIT DISPLAY
FYS-5211B-2LED DIGIT DISPLAY
FYS-5211B-4 LED DIGIT DISPLAY
FYS-5211BX-1LED DIGIT DISPLAY
FYS-5211BX-2LED DIGIT DISPLAY
FYS-5211BX LED DIGIT DISPLAY
FYS-5211BX-3 LED DIGIT DISPLAY
FYS-5211BX-4LED DIGIT DISPLAY
FYS-5212A-0 LED DIGIT DISPLAY
FYS-5212A-2LED DIGIT DISPLAY
FYS-5212A-3LED DIGIT DISPLAY
FYS-5212A-4LED DIGIT DISPLAY
FYS-5212AX-0LED DIGIT DISPLAY
FYS-5212AX-1 LED DIGIT DISPLAY
FYS-5212AX-2LED DIGIT DISPLAY
FYS-5212AXLED DIGIT DISPLAY
FYS-5212AX-3 LED DIGIT DISPLAY
FYS-5212B-0LED DIGIT DISPLAY
FYS-5212B-1 LED DIGIT DISPLAY
FYS-5212B-2LED DIGIT DISPLAY
FYS-5212B-3LED DIGIT DISPLAY
FYS-5212B-4 LED DIGIT DISPLAY
FYS-5212BX-0 LED DIGIT DISPLAY
FYS-5212BX-2LED DIGIT DISPLAY
FYS-5212BX LED DIGIT DISPLAY
FYS-5212BX-3 LED DIGIT DISPLAY
FYS-5212BX-4 LED DIGIT DISPLAY
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